Satya Paul
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View article: Role of Antioxidants and Oxidants in Saliva
Role of Antioxidants and Oxidants in Saliva Open
This chapter explores the role of salivary antioxidants (AO) and oxidants as biomarkers in periodontal and systemic health. It delves into the dynamic balance between oxidative stress and antioxidant defense in saliva, highlighting their s…
View article: Pd nanoparticles supported on magnetic CoTiMgLDH with enhanced catalytic activity in Suzuki cross‐coupling and reductive degradation of dyes
Pd nanoparticles supported on magnetic CoTiMgLDH with enhanced catalytic activity in Suzuki cross‐coupling and reductive degradation of dyes Open
With an aim to combine the catalytic properties of Pd nanoparticles (NPs) with the excellent characteristics of porous layered double hydroxides (LDH), in the present study, four different catalysts (Pd/Fe 3 O 4 ‐CoTiMgAlLDH, Pd/Fe 3 O 4 ‐…
View article: Manganese dioxide coated cotton fabric decorated with palladium nanoparticles for oxidation of alcohols, oxidative deprotection of oximes and degradation of methyl orange
Manganese dioxide coated cotton fabric decorated with palladium nanoparticles for oxidation of alcohols, oxidative deprotection of oximes and degradation of methyl orange Open
The development of novel bio-based heterogeneous catalytic systems with easy separation and recyclability is significant in chemical synthesis. In this work, palladium nanoparticles have been successfully anchored on to the surface of MnO …
View article: Dereplication Based Strategy for Rapid Identification and Isolation of a Novel Anti-inflammatory Flavonoid by LCMS/MS from <i>Colebrookea oppositifolia</i>
Dereplication Based Strategy for Rapid Identification and Isolation of a Novel Anti-inflammatory Flavonoid by LCMS/MS from <i>Colebrookea oppositifolia</i> Open
Colebrookea oppositifolia is a folkloric medicinal plant, well known for its tremendous medicinal properties such as curing epilepsy, ulcers, and urinary problems. The aim of the present study was to apply the dereplication strategy on the…
View article: Biomass-Derived Activated Carbon-Supported Copper Catalyst: An Efficient Heterogeneous Magnetic Catalyst for Base-Free Chan–Lam Coupling and Oxidations
Biomass-Derived Activated Carbon-Supported Copper Catalyst: An Efficient Heterogeneous Magnetic Catalyst for Base-Free Chan–Lam Coupling and Oxidations Open
Development of heterogeneous catalysts from biomass-derived activated carbon is a challenging task. Biomass-derived activated carbon possesses a large specific surface area, highly porous structure, and good thermal/chemical stability. Mag…
View article: 2-(5-phenyl-4H-1,2,4-triazol-3-ylthio)acetic acid: Greener and efficient organocatalyst for multicomponent reactions under aqueous media
2-(5-phenyl-4H-1,2,4-triazol-3-ylthio)acetic acid: Greener and efficient organocatalyst for multicomponent reactions under aqueous media Open
A simple, ecofriendly and competent method is reported for the synthesis of functionalized amines via reductive amination of carbonyl compounds with amines and β-amino ketones via Mannich reaction, using greener and efficient organocatalys…
View article: Self-assembly of silver nanoparticles through functionalization with coumarin-thiazole fused-ring thiol
Self-assembly of silver nanoparticles through functionalization with coumarin-thiazole fused-ring thiol Open
Self-assembly of nanoscale building blocks plays a critical role for the edifice of functional nanomaterials. In this work coumarin based fused-ring heterocyclic thiol functionalized silver nanoparticle exhibiting large self-assembly is re…
View article: Modified graphene supported Ag–Cu NPs with enhanced bimetallic synergistic effect in oxidation and Chan–Lam coupling reactions
Modified graphene supported Ag–Cu NPs with enhanced bimetallic synergistic effect in oxidation and Chan–Lam coupling reactions Open
Cu@Ag–TiO2–NGO prepared from modified graphene by simple methodology exhibits enhanced catalytic activity towards oxidation and Chan–Lam coupling due to the synergistic effect between Ag and Cu NPs.
View article: Palladium(0) Nanoparticles Immobilized onto Silica/Starch Composite: Sustainable Catalyst for Hydrogenations and Suzuki Coupling
Palladium(0) Nanoparticles Immobilized onto Silica/Starch Composite: Sustainable Catalyst for Hydrogenations and Suzuki Coupling Open
The present paper aims to give insight into the art in the field of the synthesis, characterization and applications of Pd(0) nanoparticles immobilized onto silica/starch composite (SS-PdNPs) for hydrogenations and Suzuki coupling. Metal(0…
View article: 14-(4-Chlorophenyl)-14<i>H</i>-dibenzo[<i>a</i>,<i>j</i>]xanthene
14-(4-Chlorophenyl)-14<i>H</i>-dibenzo[<i>a</i>,<i>j</i>]xanthene Open
In the title compound, C 27 H 17 ClO, the xanthene fused-ring system adopts a shallow butterfly conformation [dihedral angle between the two halves of the ring system = 22.9 (1)°. The dihedral angle between the central heteroyclic ring and…
View article: Biginelli reaction via bis-ureide intermediate in low melting mixture
Biginelli reaction via bis-ureide intermediate in low melting mixture Open
This paper deals with the study of mechanism of the Biginelli reaction using low melting mixture as solvent and catalyst.The catalytic effect of low melting mixture and the reaction mechanism is discussed on the basis of nuclear magnetic r…
View article: Computational study on the electronic transitions of 14-phenyl-14H-dibenzo[a,j]xanthenes
Computational study on the electronic transitions of 14-phenyl-14H-dibenzo[a,j]xanthenes Open
The present report documents the theoretical study of the electronic transitions in a xanthene derivative, 14-phenyl-14H-dibenzo[a,j]xanthene.The orbitals contributing to the electronic transition are studied.The scope of the work in bring…
View article: In vitro cytotoxic study of Croton caudatus Geiseler – a traditionally known anticancerous plant in North-east India
In vitro cytotoxic study of Croton caudatus Geiseler – a traditionally known anticancerous plant in North-east India Open
Plants and plant products both as extract and derived compounds are known to be used as chemopreventive agents against various types of cancer.Identification of phytochemicals is found to be an effective chemopreventive agent in the field …
View article: HISTORY OF INDIAN TRADITIONAL MEDICINE: A MEDICAL INHERITANCE.
HISTORY OF INDIAN TRADITIONAL MEDICINE: A MEDICAL INHERITANCE. Open
Objective: Indian Traditional Medicine, the foundation of age-old practice of medicine in the world, has played an essential role in human health care service and welfare from its inception. Likewise, all traditional medicines are of its o…
View article: HISTORY OF INDIAN TRADITIONAL MEDICINE: A MEDICAL INHERITANCE.
HISTORY OF INDIAN TRADITIONAL MEDICINE: A MEDICAL INHERITANCE. Open
Objective: Indian Traditional Medicine, the foundation of age-old practice of medicine in the world, has played an essential role in human health care service and welfare from its inception. Likewise, all traditional medicines are of its o…
View article: MEDICINALLY IMPORTANT PLANT CLEOME GYNANDRA: A PHYTOCHEMICAL AND PHARMACOLOGICAL EXPLANATION
MEDICINALLY IMPORTANT PLANT CLEOME GYNANDRA: A PHYTOCHEMICAL AND PHARMACOLOGICAL EXPLANATION Open
Cleome genus includes 601 plant species from the family Cleomaceae. Of more than 600 plants, 206 (34.3%) plants are having accepted species names. Cleome gynandra Linn. is a well-known medicinal plant with traditional and pharmacological i…
View article: MEDICINALLY IMPORTANT PLANT CLEOME GYNANDRA: A PHYTOCHEMICAL AND PHARMACOLOGICAL EXPLANATION
MEDICINALLY IMPORTANT PLANT CLEOME GYNANDRA: A PHYTOCHEMICAL AND PHARMACOLOGICAL EXPLANATION Open
Cleome genus includes 601 plant species from the family Cleomaceae. Of more than 600 plants, 206 (34.3%) plants are having accepted species names. Cleome gynandra Linn. is a well-known medicinal plant with traditional and pharmacological i…
View article: Palladium nanoparticles onto ethylenediamine functionalized silica–cellulose substrates [Pd(0)-EDA/SCs]: An efficient and sustainable approach for hydrogenation of nitroarenes and carbonyl compounds under mild conditions
Palladium nanoparticles onto ethylenediamine functionalized silica–cellulose substrates [Pd(0)-EDA/SCs]: An efficient and sustainable approach for hydrogenation of nitroarenes and carbonyl compounds under mild conditions Open
This paper aimed to report a green and efficient approach for the Pd(0)-EDA/SCs catalyzed hydrogenation of nitroarenes and carbonyl compounds using environment friendly molecular hydrogen at room temperature under benign reaction media. Th…
View article: Structural Elucidation of two Compounds from the Fruit of Medicinally Important Plant, Basella rubra
Structural Elucidation of two Compounds from the Fruit of Medicinally Important Plant, Basella rubra Open
Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance. It prov…
View article: Isolation, Chemical Fingerprinting and Simultaneous Quantification of Four Compounds from<i>Tanacetum gracile</i>Using a Validated HPLC–ESI-QTOF-Mass Spectrometry Method
Isolation, Chemical Fingerprinting and Simultaneous Quantification of Four Compounds from<i>Tanacetum gracile</i>Using a Validated HPLC–ESI-QTOF-Mass Spectrometry Method Open
The present study was conducted to carry out the phytochemical investigation of Tanacetum gracile Hook. f. & Thomson and to develop a method for the simultaneous quantification of the isolated compounds in the extracts ofT. gracile growing…
View article: Crystal structure of 4-[(2,4-dichlorophenyl)(5-hydroxy-3-methyl-1-phenyl-1<i>H</i>-pyrazol-4-yl)methyl]-5-methyl-2-phenyl-2,3-dihydro-1<i>H</i>-pyrazol-3-one
Crystal structure of 4-[(2,4-dichlorophenyl)(5-hydroxy-3-methyl-1-phenyl-1<i>H</i>-pyrazol-4-yl)methyl]-5-methyl-2-phenyl-2,3-dihydro-1<i>H</i>-pyrazol-3-one Open
In the title compound C 27 H 22 Cl 2 N 4 O 2 , the pyrazol-5-ol ring makes a dihedral angle of 34.80 (11)° with the phenyl ring to which it is bound, while the pyrazolone ring is inclined at 34.34 (12)° to its attached phenyl ring. In the …
View article: Crystal structure of ethyl 4-(2-chlorophenyl)-2-methyl-4<i>H</i>-pyrimido[2,1-<i>b</i>][1,3]benzothiazole-3-carboxylate
Crystal structure of ethyl 4-(2-chlorophenyl)-2-methyl-4<i>H</i>-pyrimido[2,1-<i>b</i>][1,3]benzothiazole-3-carboxylate Open
In the title compound, C 20 H 17 ClN 2 O 2 S, the dihedral angle between the planes of the benzothiazole fused ring system (r.m.s. deviation = 0.024 Å) and the chlorobenzene ring is 89.62 (12)°. The ester C—O—C—C side chain has an anti ori…
View article: Crystal structure of 1-(4-fluorophenyl)-4-(4-methoxyphenyl)-1<i>H</i>-1,2,3-triazole
Crystal structure of 1-(4-fluorophenyl)-4-(4-methoxyphenyl)-1<i>H</i>-1,2,3-triazole Open
In the title compound, C 15 H 12 FN 3 O, the triazole ring forms dihedral angles of 30.57 (8) and 21.81 (9)° with the fluoro-substituted and methoxy-substituted benzene rings, respectively. The dihedral angle between the benzene rings is 5…
View article: Pharmaceutical scope of a phytochemically unexplored medicinal plant, Sarcochlamys pulcherrima (Roxb.) Gaud.: A review
Pharmaceutical scope of a phytochemically unexplored medicinal plant, Sarcochlamys pulcherrima (Roxb.) Gaud.: A review Open
Sarcochlamys pulcherrima (Roxb.) Gaud. is widely used as traditional medicine and food by different tribes and communities of Assam in India and in neighboring countries. Recent studies conducted in our laboratory showed the broad-spectrum…
View article: CCDC 1409951: Experimental Crystal Structure Determination
CCDC 1409951: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1408544: Experimental Crystal Structure Determination
CCDC 1408544: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 940362: Experimental Crystal Structure Determination
CCDC 940362: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …